Factor
\left(2c-b\right)\left(4a-b\right)
Evaluate
\left(2c-b\right)\left(4a-b\right)
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4a\left(-b+2c\right)-b\left(-b+2c\right)
Do the grouping 8ac-4ab-2bc+b^{2}=\left(8ac-4ab\right)+\left(-2bc+b^{2}\right), and factor out 4a in the first and -b in the second group.
\left(-b+2c\right)\left(4a-b\right)
Factor out common term -b+2c by using distributive property.
Examples
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